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Finding the Fourth Proportional to 63,786.70, 95,680.05 and 19,413.10

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Solution

The fourth proportional to 63,786.70, 95,680.05 and 19,413.10 is: 29,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,786.70 : 95,680.05 = 19,413.10 : x
  2. Step 2: Convert to fraction form
    63,786.70/95,680.05 = 19,413.10/x
  3. Step 3: Cross multiply
    63,786.70x = 95,680.05 × 19,413.10
  4. Step 4: Simplify right side
    63,786.70x = 1,857,446,378.66
  5. Step 5: Solve for x
    x = 1,857,446,378.66/63,786.70
  6. Step 6: Final answer
    x = 29,119.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.